"This book discusses various perspectives on facets of citizen engagement in open urban policy processes, all of them based on the widespread use of information and communication technologies in the field of urban/spatial planning. The book offers an updated outline of recent advances in this...

We study how the city system is affected by the possibility for the members of the same cultural diaspora to interact across different cities. In so doing, we propose a simple two- city model with two mobile cultural groups. A localized externality fosters the productivity of individuals when...